Messages in this thread Patch in this message | | | Subject | [PATCH 4/6] 2.6.7-mm1, port powernow-k7 driver to new DMI probing | Date | Wed, 23 Jun 2004 16:44:47 +0400 | From | Andrey Panin <> |
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This patch ports powernow-k7 driver to new DMI probing API.
Signed-off-by: Andrey Panin <pazke@donpac.ru>
arch/i386/kernel/cpu/cpufreq/powernow-k7.c | 28 +++++++++++++++++++++++++++- arch/i386/kernel/dmi_scan.c | 20 -------------------- 2 files changed, 27 insertions(+), 21 deletions(-)
diff -urpN -X /usr/share/dontdiff linux-2.6.7-mm1.vanilla/arch/i386/kernel/cpu/cpufreq/powernow-k7.c linux-2.6.7-mm1/arch/i386/kernel/cpu/cpufreq/powernow-k7.c --- linux-2.6.7-mm1.vanilla/arch/i386/kernel/cpu/cpufreq/powernow-k7.c Sun May 23 22:02:03 2004 +++ linux-2.6.7-mm1/arch/i386/kernel/cpu/cpufreq/powernow-k7.c Sun May 23 22:47:59 2004 @@ -22,6 +22,7 @@ #include <linux/cpufreq.h> #include <linux/slab.h> #include <linux/string.h> +#include <linux/dmi.h> #include <asm/msr.h> #include <asm/timex.h> @@ -554,6 +555,31 @@ static unsigned int powernow_get(unsigne } +static int __init acer_cpufreq_pst(struct dmi_system_id *d) +{ + printk(KERN_WARNING "%s laptop with broken PST tables in BIOS detected.\n", d->ident); + printk(KERN_WARNING "You need to downgrade to 3A21 (09/09/2002), or try a newer BIOS than 3A71 (01/20/2003)\n"); + printk(KERN_WARNING "cpufreq scaling has been disabled as a result of this.\n"); + return 0; +} + +/* + * Some Athlon laptops have really fucked PST tables. + * A BIOS update is all that can save them. + * Mention this, and disable cpufreq. + */ +static struct dmi_system_id __initdata powernow_dmi_table[] = { + { + .callback = acer_cpufreq_pst, + .ident = "Acer Aspire", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Insyde Software"), + DMI_MATCH(DMI_BIOS_VERSION, "3A71"), + }, + }, + { } +}; + static int __init powernow_cpu_init (struct cpufreq_policy *policy) { union msr_fidvidstatus fidvidstatus; @@ -572,7 +598,7 @@ static int __init powernow_cpu_init (str } dprintk(KERN_INFO PFX "FSB: %3d.%03d MHz\n", fsb/1000, fsb%1000); - if ((dmi_broken & BROKEN_CPUFREQ) || acpi_force) { + if (dmi_check_system(powernow_dmi_table) || acpi_force) { printk (KERN_INFO PFX "PSB/PST known to be broken. Trying ACPI instead\n"); result = powernow_acpi_init(); } else { diff -urpN -X /usr/share/dontdiff linux-2.6.7-mm1.vanilla/arch/i386/kernel/dmi_scan.c linux-2.6.7-mm1/arch/i386/kernel/dmi_scan.c --- linux-2.6.7-mm1.vanilla/arch/i386/kernel/dmi_scan.c Sun May 23 22:43:24 2004 +++ linux-2.6.7-mm1/arch/i386/kernel/dmi_scan.c Sun May 23 22:48:38 2004 @@ -400,15 +400,6 @@ static __init int broken_ps2_resume(stru return 0; } -static __init int acer_cpufreq_pst(struct dmi_blacklist *d) -{ - printk(KERN_WARNING "%s laptop with broken PST tables in BIOS detected.\n", d->ident); - printk(KERN_WARNING "You need to downgrade to 3A21 (09/09/2002), or try a newer BIOS than 3A71 (01/20/2003)\n"); - printk(KERN_WARNING "cpufreq scaling has been disabled as a result of this.\n"); - dmi_broken |= BROKEN_CPUFREQ; - return 0; -} - /* * Simple "print if true" callback @@ -758,17 +749,6 @@ static __initdata struct dmi_blacklist d { set_apm_ints, "IBM", { /* Allow interrupts during suspend on IBM laptops */ MATCH(DMI_SYS_VENDOR, "IBM"), NO_MATCH, NO_MATCH, NO_MATCH - } }, - - /* - * Some Athlon laptops have really fucked PST tables. - * A BIOS update is all that can save them. - * Mention this, and disable cpufreq. - */ - { acer_cpufreq_pst, "Acer Aspire", { - MATCH(DMI_SYS_VENDOR, "Insyde Software"), - MATCH(DMI_BIOS_VERSION, "3A71"), - NO_MATCH, NO_MATCH, } }, /* - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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